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Summary Yamaguchi clocked two minutes 7.01 seconds to break the previous world record.
Japans 18-year-old Akihiro Yamaguchi set a new world record in the mens 200-metre breaststroke on Saturday at the national games in Gifu.The high-school student clocked two minutes 7.01 seconds, breaking the previous world mark of 2:07.28 set by Daniel Gyurta of Hungary on August 1 at the London Olympics.Yamaguchi failed to qualify for the Olympic 100m and 200m races after he finished third over both distances in the national championships won by two-time double Olympic gold medallist Kosuke Kitajima.But Yamaguchi came close to Gyurtas 200m world mark when he clocked 2:07.84 at a national high-school meet on August 17.
